// Test that we can properly report an ODR violation // between an instrumented global and a non-instrumented global. // RUN: %clang_asan %s -fPIC -shared -o %t-1.so -DFILE1 // RUN: %clang_asan %s -fPIC -shared -o %t-2.so -DFILE2 // RUN: %clang_asan %s -fPIE %t-1.so %t-2.so -Wl,-R`pwd` -o %t // RUN: not %run %t 2>&1 | FileCheck %s // // REQUIRES: x86_64-target-arch // // CHECK: The following global variable is not properly aligned. // CHECK: ERROR: AddressSanitizer: odr-violation #if defined(FILE1) __attribute__((aligned(8))) int x; __attribute__((aligned(1))) char y; // The gold linker puts ZZZ at the start of bss (where it is aligned) // unless we have a large alternative like Displace: __attribute__((aligned(1))) char Displace[105]; __attribute__((aligned(1))) char ZZZ[100]; #elif defined(FILE2) int ZZZ = 1; #else extern int ZZZ; int main() { return ZZZ; } #endif